How Much of CP/M’s Design Ended Up in MS‑DOS?

nemanjatrifunovic.substack.com

cross-posted to:
cpm@lemmy.ml

How Much of CP/M’s Design Ended Up in MS‑DOS?

nemanjatrifunovic.substack.com

cm0002@digipres.cafe to Anything CP/M@retrolemmy.com · 13 days ago

cross-posted to:
cpm@lemmy.ml

MS-DOS was designed to be API compatible with CP/M. But how much of CP/M’s internal design carried over?

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“CP/M, originally standing for Control Program/Monitor and later Control Program for Microcomputers, is a mass-market operating system created in 1974 for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc. Initially confined to single-tasking on 8-bit processors and no more than 64 kilobytes of memory, later versions of CP/M added multi-user variations and were migrated to 16-bit processors.” – taken from Wikipedia

(link: https://en.wikipedia.org/wiki/CP/M)

Want to learn more? Follow the link: http://www.digitalresearch.biz/CPM.HTM

Of particular note is the web site run by Gaby Chaudry: http://www.gaby.de/ecpm.htm

Another excellent resource is the Unofficial CP/M Web Site (link below) which boasts tons of software and source code that is unable to be distributed otherwise.

(link: http://www.cpm.z80.de/)

Have questions? Need help getting started? Just ask! CP/M 2.2 seems to be the most popular for those still working with / on the system. If not on legacy hardware, SIMH and Oracle’s VirtualBox are good PC emulators to start with.

Interested in an open source CP/M clone? Check out the CP/Mish distribution (link below) headed by David Given.

(link: http://cowlark.com/cpmish/)

Related lemmys:

https://sh.itjust.works/c/emulation https://sopuli.xyz/c/freedos

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